1 Step
1 step
Substitution
2 step
2 step
100

x + 6 = 14

x = 8

100

10x = 90

What does X equal?

9

100

If x = 6 what is x + 7 =

13

100

2x + 3 = 11

x = 4

100

4n - 2n = 4

n = 2

200

y + 3 = 24

y = 21

200

4x = 120

What does x equal?

30

200

If a = 4 and b = 3 what is the total for

ab = 

12

200

4b - 5 = 15

b = 5

200

6x + 9 = 12

x = 3/6 or 1/2

300

6 + a = 15

a = 9

300

6x = 24

What does x equal?

4

300

If c = 13 and a = 11 what is the following

a + a + c + 11 =

46

300

4y - 7 = -21

y = 3 1/2

300

6x + 18 = 48

x = 5

400

3 - a = -17

20

400

x - 38 = 15

x = 53

400

What is the sum of abc when a = 6 b = 8 and c = 9

432

400

b/6 - 2 = 10

b = 72

400

3b - 2 = 13

b = 5

500

x + 19 = 78

x = 59

500

x/8 = 12

What does x equal?

96

500

If x = 13 and y = 17 what is the sum of 

x + y x y

302

500

3 = x + 3 - 5x

x =?

0

500

9y + 2 - 3y - 4 = 0

y = 2/6 or 1/3

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